Question

Think about how the vertex of a hyperbola compares to that of an ellipse, a parabola, and an angle

Answer 1

incomplete question?

Answer 2

Why is the same term used in different situations?

Answer 3

The vertex of an ellipse is on the edge of the ellipse where you connect your lines and the focus is inwards from the vertex. On a hyperbola the vertex is somewhere on the graph and the focus is above the vertex